Tray with dentition and Gothic arch

Abstract

The utility model provides a tray with dentition and Gothic arches, an upper jaw tray and a lower jaw tray are respectively and detachably connected with the upper Gothic arch and the lower Gothic arch, detachable connecting mechanisms which are matched with each other are arranged between the occlusion end face of the upper jaw tray and the upper Gothic arch and between the occlusion end face of the lower jaw tray and the lower Gothic arch, and the lower Gothic arch is provided with a threaded hole. The tracing needle is in threaded connection with the threaded hole; the upper jaw tray, the lower jaw tray, the upper Gothic arch and the lower Gothic arch are integrally formed through 3D printing, and a plurality of anterior teeth are integrally formed on the labial surface side of the upper jaw tray. The Gothic bow and the upper and lower jaw tray are designed and printed through a digital technology, so that the positioning of the Gothic bow in the upper and lower jaw tray is more accurate. After a patient wears the tooth test tray to perform mandibular movement, the determined horizontal jaw position relation is closer to the actual condition. A plurality of anterior teeth are integrally printed on the maxillary tray, so that when a patient wears the tray in the mouth, the aesthetic state of the exposed teeth after the complete denture is worn can be previewed in advance.

Description

Technical Field

[0001] This utility model relates to a test tray for the complete denture fabrication stage, specifically a tray with a dental arch and Gothic arch. Background Technology

[0002] As people age, or due to illness or accidents, many face the situation of losing all their teeth, making complete dentures an important restorative method. During the fabrication of complete dentures, a fitting tray is an indispensable tool. Gothic arch components are installed on the upper and lower jaw trays. After the patient wears the fitting tray, they move their lower jaw forward, and the Gothic arch component's tracing pins mark the movement trajectory to determine the position of the horizontal jaw relationship.

[0003] Currently, the Gothic arch assembly is purchased off-the-shelf and then installed onto the upper and lower jaw trays. In practice, we have found that the Gothic arch assembly does not match the upper and lower jaw trays, and patients cannot accurately determine the horizontal jaw position relationship when wearing the trial tray.

[0004] Meanwhile, the trial dental trays currently used to determine the horizontal jaw relationship are all base parts without any teeth. Patients cannot perceive the aesthetic state of wearing complete dentures in advance when wearing trial dental trays. Once the complete dentures are made and the patient is not satisfied, they can only scrap them and remake the complete dentures. Utility Model Content

[0005] This invention provides a tray with a dental arch and a Gothic bow. The tray consists of a maxillary tray and a mandibular tray. The Gothic bow consists of an upper Gothic bow and a lower Gothic bow. The upper Gothic bow is equipped with a marking plate, and the lower Gothic bow is equipped with a marking needle.

[0006] The maxillary tray and mandibular tray are detachably connected to the upper Gothic arch and lower Gothic arch, respectively. The occlusal end face of the maxillary tray and the upper Gothic arch, and the occlusal end face of the mandibular tray and the lower Gothic arch are provided with mutually cooperating detachable connection mechanisms. The lower Gothic arch is provided with a threaded hole, and the tracing needle is threadedly connected to the threaded hole.

[0007] The maxillary tray, mandibular tray, maxillary Gothic arch, and mandibular Gothic arch are all 3D printed in one piece, and multiple anterior teeth are integrally molded on the labial side of the maxillary tray.

[0008] Furthermore, both the upper and lower Gothic bows are equipped with a U-shaped main body and a crossbar that spans and connects the two ends of the U-shaped main body. The crossbar is higher than one end face of the U-shaped main body. The crossbar of the upper Gothic bow is equipped with a marking plate in the middle, and the crossbar of the lower Gothic bow is equipped with a threaded hole in the middle.

[0009] The maxillary tray and mandibular tray have slots on both sides of their occlusal end faces to accommodate the crossbar.

[0010] Furthermore, the U-shaped body is provided with multiple protruding positioning posts, and the occlusal end faces of the maxillary tray and mandibular tray are provided with multiple positioning holes that cooperate with the positioning posts.

[0011] Furthermore, a protruding snap-fit ​​post is provided inside the card slot.

[0012] Both sides of the upper and lower Gothic bows are provided with through holes that engage with the locking pins, and the through holes and locking pins are interference fit.

[0013] Furthermore, a protruding threaded post is provided in the slot, and through holes are provided on both sides of the upper Gothic bow and the lower Gothic bow. The threaded post passes through the through holes and is fixed with a nut to fix the upper jaw tray to the upper Gothic bow and the lower jaw tray to the lower Gothic bow.

[0014] Furthermore, the labial side of the maxillary tray is integrally molded with 6 anterior teeth.

[0015] The advantages of this utility model are:

[0016] 1) The Gothic arch and mandibular trays (i.e., trial trays) designed and printed using digital technology ensure more precise positioning of the Gothic arch within the trays. After the patient wears the trial tray and performs mandibular movements, the determined horizontal jaw relationship is closer to their actual condition, thus making the fabricated complete dentures more suitable for the patient's needs and improving patient comfort and satisfaction.

[0017] 2) The maxillary tray is printed with multiple anterior teeth in one piece. When the patient wears the tray in the mouth, he / she can preview the aesthetic state of the teeth after wearing the complete denture. If he / she is not satisfied with the teeth appearance, further micro-adjustments can be made in the subsequent digital design of the complete denture, so that the final denture can meet the patient's aesthetic needs to the greatest extent. Attached Figure Description

[0018] To more clearly illustrate the technical solutions in the embodiments of this utility model, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0019] Figure 1 A schematic diagram of a maxillary tray model with multiple anterior teeth;

[0020] Figure 2 for Figure 1 A diagram from another perspective;

[0021] Figure 3 This is a schematic diagram of an upper Gothic bow model;

[0022] Figure 4 This is a schematic diagram of a mandibular tray model;

[0023] Figure 5 This is a schematic diagram of a lower Gothic bow model;

[0024] Figure 6 A schematic diagram showing the assembly of the upper Gothic bow and the lower Gothic bow with the upper jaw tray and the lower jaw tray, respectively;

[0025] Figure 7 for Figure 6 A diagram from another perspective. Detailed Implementation

[0026] In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present invention. However, it will be apparent to those skilled in the art that the present invention can be practiced without one or more of these details. In other instances, certain technical features well-known in the art have not been described in order to avoid confusion with the present invention.

[0027] To fully understand this utility model, detailed steps and structures will be presented in the following description to illustrate the technical solution of this utility model. Preferred embodiments of this utility model are described in detail below; however, in addition to these detailed descriptions, this utility model may have other embodiments.

[0028] like Figure 1-7 As shown, this utility model provides a tray with a dental arch and a Gothic arch. The tray consists of a maxillary tray 10 and a mandibular tray 20. The Gothic arch consists of an upper Gothic arch 30 and a lower Gothic arch 40. The upper Gothic arch 30 is provided with a tracing plate 31, and the lower Gothic arch 40 is provided with a tracing needle 41.

[0029] The maxillary tray 10 and mandibular tray 20 are detachably connected to the maxillary Gothic arch 30 and mandibular Gothic arch 40, respectively. The occlusal end face of the maxillary tray 10 and the maxillary Gothic arch 30, and the occlusal end face of the mandibular tray 20 and the mandibular Gothic arch 40 are provided with mutually cooperating detachable connection mechanisms. The mandibular Gothic arch 40 is provided with a threaded hole 42, and the tracing needle 41 is threadedly connected to the threaded hole 42. The maxillary tray 10, mandibular tray 20, maxillary Gothic arch 30, and mandibular Gothic arch are all 3D printed in one piece, and multiple anterior teeth 11 are integrally formed on the labial side of the maxillary tray 10.

[0030] In an optional embodiment, both the upper Gothic bow 30 and the lower Gothic bow 40 are provided with a U-shaped body 35 and a crossbar 36 spanning and connecting both ends of the U-shaped body 35. The crossbar 36 is higher than one end face of the U-shaped body 35. The crossbar 36 of the upper Gothic bow 30 is provided with a marking plate 31 in the middle, and the crossbar 36 of the lower Gothic bow 40 is provided with a threaded hole 42 in the middle. The upper jaw tray 10 and the lower jaw tray 20 are respectively provided with slots 12 on both sides of the occlusal end face for accommodating the crossbar 36.

[0031] In an optional embodiment, the U-shaped body 35 is provided with multiple protruding positioning posts 37, and the occlusal end faces of the maxillary tray 10 and the mandibular tray 20 are each provided with multiple positioning holes 14 that mate with the positioning posts 37. When the upper Gothic arch 30 (or lower Gothic arch 40) is installed on the maxillary tray 10 (or mandibular tray 20), the positioning posts 37 mate with the positioning holes 14 to quickly position the relative position of the upper Gothic arch 30 (or lower Gothic arch 40) and the maxillary tray 10 (or mandibular tray 20), so as to ensure the positional accuracy of the Gothic arch tracing device installed in the mouth, thereby ensuring the accuracy of the horizontal jaw relationship.

[0032] In an optional embodiment, the detachable connection mechanism includes: a protruding snap-fit ​​post 13 in the slot 12; through holes 32 on both sides of the upper Gothic bow 30 and the lower Gothic bow 40 that engage with the snap-fit ​​post 13; and the through holes 32 of the upper Gothic bow 30 (or the lower Gothic bow 40) are interference-fitted with the snap-fit ​​post 13 of the upper jaw tray 10 (or the lower jaw tray 20) to achieve a fixed connection between the tray and the Gothic bow.

[0033] In another optional embodiment, in order to further ensure the stability of the connection between the tray and the Gothic bow, the snap-fit ​​post 13 of the upper jaw tray 10 (or lower jaw tray 20) can be designed as a threaded post. After the through hole 32 of the upper Gothic bow 30 (or lower Gothic bow 40) passes through the threaded post, it is locked with a nut to fix the tray and the Gothic bow in a fixed connection.

[0034] In an optional embodiment, the labial side of the maxillary tray 10 is integrally molded with six anterior teeth 11 to simulate the tooth-showing state when a patient smiles.

[0035] The design process of this utility model dental test tray is as follows:

[0036] 1) Based on the patient's intraoral scan data and combined with facial scan data, design a digital model of the maxillary tray and a digital model of the mandibular tray that match the patient's intraoral soft tissue in digital software (e.g., 3Shape). Then design 6 anterior teeth on the digital model of the maxillary tray and fit them to the digital model of the maxillary tray.

[0037] 2) Import the digital models of the upper and lower Gothic bows of the general specifications into the digitization software. Then, design the slots 12, the locking posts 13, and the positioning holes 14 on the digital models of the upper and lower jaw trays, and design the through holes 32 and the positioning posts 37 on the digital models of the upper and lower Gothic bows.

[0038] 3) Using 3D printing, the digital models of the maxillary tray, mandibular tray, upper Gothic arch, and lower Gothic arch are printed to form the maxillary tray 10, mandibular tray 20, upper Gothic arch 30, and lower Gothic arch 40, respectively.

[0039] 4) Install the tracing needle 41 onto the lower Gothic bow 40 via threads, and then fix the upper Gothic bow 30 and the lower Gothic bow 40 onto the maxillary tray 10 and the mandibular tray 20, respectively.

[0040] 5) Insert the maxillary tray 10 and mandibular tray 20 into the patient's mouth for a trial fitting, observe the height and position of the recording needle 41, then remove the mandibular tray 20 and adjust the height of the recording needle 41 to the appropriate position.

[0041] 6) Insert the maxillary tray 10 and mandibular tray 20 into the patient's mouth again, guide the patient's mandible to move, and draw a "V"-shaped trajectory on the tracing plate 31 with the tip of the tracing needle 41. The vertex of the "V"-shaped trajectory is the position of the horizontal jaw relationship.

[0042] 7) Remove all devices from the mouth and continue the subsequent process of complete denture preparation. The subsequent process is existing technology and does not belong to the utility model of this utility model, so it will not be described in detail here.

[0043] Since the maxillary tray 10 has 6 anterior teeth, when the patient wears the tray in the mouth in steps 5 and 6, they can preview the aesthetic state of the teeth after wearing the complete denture. If they are not satisfied with the teeth appearance, they can make further micro-adjustments in the subsequent digital design of the complete denture, so that the final denture can meet the patient's aesthetic needs to the greatest extent.

[0044] In addition, both the Gothic arch and the upper and lower jaw trays (i.e., the trial tooth trays) are digitally designed and printed, which makes the position of the Gothic arch installed on the upper and lower jaw trays more precise. After the patient wears the trial tooth tray and moves his mandible, the horizontal jaw position determined is closer to the patient's actual situation, making the final complete denture more suitable for the patient and improving the patient's comfort and satisfaction.

[0045] This invention utilizes digitally designed and printed Gothic arch and dental tray, which improves the precision and efficiency of complete denture fabrication, reduces errors that may occur during traditional manual fabrication, makes personalized denture design more precise, clinical operation more standardized and consistent, improves patient comfort, and greatly reduces processing time and difficulty.

[0046] The preferred embodiments of this utility model have been described above. It should be understood that this utility model is not limited to the specific embodiments described above. Devices and structures not described in detail herein should be understood as being implemented in a conventional manner within the art. Any person skilled in the art can make many possible variations and modifications to the technical solutions of this utility model using the disclosed methods and techniques, or modify them into equivalent embodiments with equivalent changes, without departing from the scope of the technical solution of this utility model. This does not affect the essential content of this utility model. Therefore, any simple modifications, equivalent changes, and modifications made to the above embodiments based on the technical essence of this utility model, without departing from the content of the technical solution of this utility model, still fall within the protection scope of the technical solution of this utility model.

Claims

1. A tray with a dental arch and a Gothic arch, the tray comprising a maxillary tray (10) and a mandibular tray (20), the Gothic arch comprising an upper Gothic arch (30) and a lower Gothic arch (40), the upper Gothic arch (30) being provided with a tracing plate (31), and the lower Gothic arch (40) being provided with a tracing needle (41), characterized in that, The maxillary tray (10) and the mandibular tray (20) are detachably connected to the upper Gothic arch (30) and the lower Gothic arch (40), respectively. The occlusal end face of the maxillary tray (10) and the upper Gothic arch (30) and the occlusal end face of the mandibular tray (20) and the lower Gothic arch (40) are provided with mutually cooperating detachable connection mechanisms. The lower Gothic arch (40) is provided with a threaded hole (42), and the tracing needle (41) is threadedly connected to the threaded hole (42). The maxillary tray (10), the mandibular tray (20), the upper Gothic arch (30), and the lower Gothic arch are all integrally formed by 3D printing, and multiple anterior teeth (11) are integrally formed on the labial side of the maxillary tray (10).

2. A tray with a toothed arch and a Gothic bow as described in claim 1, characterized in that, Both the upper Gothic bow (30) and the lower Gothic bow (40) are provided with a U-shaped body (35) and a crossbar (36) that spans and connects both ends of the U-shaped body (35). The crossbar (36) is higher than one end face of the U-shaped body (35). The crossbar (36) of the upper Gothic bow (30) is provided with the tracing plate (31) in the middle, and the crossbar (36) of the lower Gothic bow (40) is provided with the threaded hole (42) in the middle. The maxillary tray (10) and the mandibular tray (20) are respectively provided with slots (12) on both sides of the occlusal end face for accommodating the crossbar (36).

3. A tray with teeth and a Gothic bow as described in claim 2, characterized in that, The U-shaped body (35) is provided with a plurality of protruding positioning posts (37), and the occlusal end faces of the maxillary tray (10) and the mandibular tray (20) are provided with a plurality of positioning holes (14) that cooperate with the positioning posts (37).

4. A tray with teeth and a Gothic bow as described in claim 2, characterized in that, A protruding snap-fit ​​post (13) is provided in the slot (12). Both sides of the upper Gothic bow (30) and the lower Gothic bow (40) are provided with through holes (32) that engage with the locking post (13), and the through holes (32) and the locking post (13) are interference fit.

5. A tray with a toothed arch and a Gothic bow as described in claim 2, characterized in that, A protruding threaded post is provided in the slot (12). Both sides of the upper Gothic bow (30) and the lower Gothic bow (40) are provided with through holes (32). The threaded post passes through the through holes (32) and is fixed with a nut to fix the upper jaw tray (10) to the upper Gothic bow (30) and the lower jaw tray (20) to the lower Gothic bow (40).

6. A tray with a toothed arch and a Gothic bow as described in claim 1, characterized in that, The labial side of the maxillary tray (10) is integrally formed with 6 anterior teeth (11).

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